function disableTabKey (evt) { 
   var event; 
   if (evt) { 
     event = evt; 
   } 
   else if (window.event) { 
     event = window.event; 
   } 
   if (event) { 
     var keyCode = event.keyCode ? event.keyCode : event.charCode; 
     if (keyCode == 116) { 
       if (event.preventDefault) { 
         event.preventDefault(); 
       } 
       return false; 
     } 
   } 

} 

function setEventListener (eventListener) { 
   if (document.addEventListener) { 
     document.addEventListener('keypress', eventListener, true); 
   } 
   else if (document.attachEvent) { 
     document.attachEvent('onkeydown', eventListener); 
   } 
   else { 
     document.onkeydown = eventListener; 
   } 

} 

function unsetEventListener (eventListener) { 
   if (document.removeEventListener) { 
     document.removeEventListener('keypress', eventListener, true); 
   } 
   else if (document.detachEvent) { 
     document.detachEvent('onkeydown', eventListener); 
   } 
   else { 
     document.onkeydown = null; 
   } 
} 


window.history.forward(1); 
document.attachEvent("onkeydown", my_onkeydown_handler);

function my_onkeydown_handler() 
{ 
switch (event.keyCode) 
{ 
case 116 : // 'F5' 
event.returnValue = false; 
event.keyCode = 0; 
window.status = "Cineplanet Copyright"; 
break; 
} 
}

var message="Cineplanet Copyright"; 
/////////////////////////////////// 
function clickIE4(){ 
if (event.button==2){ 
alert(message); 
return false; 
} 
} 
function clickNS4(e){ 
if (document.layers||document.getElementById&&!document.all){ 
if (e.which==2||e.which==3){ 
alert(message); 
return false; 
} 
} 
} 
if (document.layers){ 
document.captureEvents(Event.MOUSEDOWN); 
document.onmousedown=clickNS4; 
} 
else if (document.all&&!document.getElementById){ 
document.onmousedown=clickIE4; 
} 
document.oncontextmenu=new Function("alert(message);return false") 